Added font 'size' support for pure2d layout.
Minor bug fixes. Update target SDK to 19.
Merge pull request #40 from sheng-liu/master

Minor bug fixes. Update target SDK to 19.
Merge pull request #36 from andy-yao/andy-layout

Added font 'size' support for pure2d layout.
removed unused variables
Merge pull request #41 from long-ngo/master

removed unused variables
Merge branch 'master' of https://git.gree-dev.net/android/pure2d into open-master
Merge branch 'open-master' of https://github.com/gree/pure2d into open-master